Charlie Gettig vs. Jack O'Connor — Career Comparison

On the career pitching numbers, Charlie Gettig posted a stronger line than Jack O'Connor. Charlie Gettig posted stronger numbers in ERA (4.5 vs 4.89) and home runs allowed (0.13 per nine innings vs 1.02). By the career numbers, Charlie Gettig had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.